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i965/cfg: Handle no-idom case in cfg_t::dump_domtree().
[mesa.git]
/
src
/
mesa
/
drivers
/
dri
/
i965
/
brw_cfg.cpp
diff --git
a/src/mesa/drivers/dri/i965/brw_cfg.cpp
b/src/mesa/drivers/dri/i965/brw_cfg.cpp
index 10bcd4bafd469e7afa3795efd18836174436e7c7..5d46615bc7b98b28229aebcb02c87d028e51e7fc 100644
(file)
--- a/
src/mesa/drivers/dri/i965/brw_cfg.cpp
+++ b/
src/mesa/drivers/dri/i965/brw_cfg.cpp
@@
-528,7
+528,9
@@
cfg_t::dump_domtree()
{
printf("digraph DominanceTree {\n");
foreach_block(block, this) {
- printf("\t%d -> %d\n", block->idom->num, block->num);
+ if (block->idom) {
+ printf("\t%d -> %d\n", block->idom->num, block->num);
+ }
}
printf("}\n");
}